-// FGAIBallistic - AIBase derived class creates an AI ballistic object
+// FGAIBallistic.hxx - AIBase derived class creates an AI ballistic object
//
// Written by David Culp, started November 2003.
// - davidculp2@comcast.net
//
+// With major additions by Vivian Meazza, Feb 2008
+//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
-// You should have received a copy of the GNU General Public License
+// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#ifndef _FG_AIBALLISTIC_HXX
#define _FG_AIBALLISTIC_HXX
+#include <cmath>
+#include <vector>
+#include <simgear/structure/SGSharedPtr.hxx>
+#include <simgear/scene/material/mat.hxx>
+
+
#include "AIManager.hxx"
#include "AIBase.hxx"
-
class FGAIBallistic : public FGAIBase {
-
+
public:
-
- FGAIBallistic();
+
+ FGAIBallistic(object_type ot = otBallistic);
~FGAIBallistic();
-
- bool init();
- void update(double dt);
+
+ void readFromScenario(SGPropertyNode* scFileNode);
+
+ bool init(bool search_in_AI_path=false);
+ virtual void bind();
+ virtual void reinit();
+ virtual void update(double dt);
+
+ virtual const char* getTypeString(void) const { return "ballistic"; }
+
+ void Run(double dt);
void setAzimuth( double az );
void setElevation( double el );
- void setStabilization( bool val );
+ void setAzimuthRandomError(double error);
+ void setElevationRandomError(double error);
+ void setRoll( double rl );
+ void setStabilisation( bool val );
+ void setDragArea( double a );
+ void setLife( double seconds );
+ void setBuoyancy( double fpss );
+ void setWind_from_east( double fps );
+ void setWind_from_north( double fps );
+ void setWind( bool val );
+ void setCd(double cd);
+ void setCdRandomness(double randomness);
+ void setMass( double m );
+ void setWeight( double w );
+ void setNoRoll( bool nr );
+ void setRandom( bool r );
+ void setLifeRandomness(double randomness);
+ void setCollision(bool c);
+ void setExpiry(bool e);
+ void setImpact(bool i);
+ void setImpactReportNode(const std::string&);
+ void setContentsNode(const SGPropertyNode_ptr);
+ void setFuseRange(double f);
+ void setSMPath(const std::string&);
+ void setSubID(int i);
+ void setSubmodel(const std::string&);
+ void setExternalForce( bool f );
+ void setForcePath(const std::string&);
+ void setContentsPath(const std::string&);
+ void setForceStabilisation( bool val );
+ void setGroundOffset(double g);
+ void setLoadOffset(double l);
+ void setSlaved(bool s);
+ void setSlavedLoad(bool s);
+ void setPch (double e, double dt, double c);
+ int setHdg (double az, double dt, double c);
+ void setBnk(double r, double dt, double c);
+ void setHt(double h, double dt, double c);
+ void setSpd(double s, double dt, double c);
+ void setParentNodes(const SGPropertyNode_ptr);
+ void setParentPos();
+ void setOffsetPos(SGGeod pos, double heading, double pitch, double roll);
+ void setOffsetVelocity(double dt, SGGeod pos);
+ void setTime(double sec);
+
+ double _getTime()const;
+ double getRelBrgHitchToUser() const;
+ double getElevHitchToUser() const;
+ double getLoadOffset() const;
+ double getContents();
+ double getDistanceToHitch() const;
+ double getElevToHitch() const;
+ double getBearingToHitch() const;
+
+ SGVec3d getCartHitchPos() const;
+
+ bool getHtAGL(double start);
+ bool getSlaved() const;
+ bool getSlavedLoad() const;
+
+ FGAIBallistic *ballistic;
+
+ static const double slugs_to_kgs; //conversion factor
+ static const double slugs_to_lbs; //conversion factor
+
+ SGPropertyNode_ptr _force_node;
+ SGPropertyNode_ptr _force_azimuth_node;
+ SGPropertyNode_ptr _force_elevation_node;
+
+ // Node for parent model
+ SGPropertyNode_ptr _pnode;
+
+ // Nodes for parent parameters
+ SGPropertyNode_ptr _p_pos_node;
+ SGPropertyNode_ptr _p_lat_node;
+ SGPropertyNode_ptr _p_lon_node;
+ SGPropertyNode_ptr _p_alt_node;
+ SGPropertyNode_ptr _p_agl_node;
+ SGPropertyNode_ptr _p_ori_node;
+ SGPropertyNode_ptr _p_pch_node;
+ SGPropertyNode_ptr _p_rll_node;
+ SGPropertyNode_ptr _p_hdg_node;
+ SGPropertyNode_ptr _p_vel_node;
+ SGPropertyNode_ptr _p_spd_node;
+
+ double _height;
+ double _speed;
+ double _ht_agl_ft; // height above ground level
+ double _azimuth; // degrees true
+ double _elevation; // degrees
+ double _rotation; // degrees
+ double _speed_north_fps;
+ double _speed_east_fps;
+ double _wind_from_east; // fps
+ double _wind_from_north; // fps
+
+ double hs;
+
+
+ void setTgtXOffset(double x);
+ void setTgtYOffset(double y);
+ void setTgtZOffset(double z);
+ void setTgtOffsets(double dt, double c);
+
+ double getTgtXOffset() const;
+ double getTgtYOffset() const;
+ double getTgtZOffset() const;
+
+ double _tgt_x_offset;
+ double _tgt_y_offset;
+ double _tgt_z_offset;
+ double _elapsed_time;
+
+ SGGeod _parentpos;
+ SGGeod _oldpos;
+ SGGeod _offsetpos;
+ SGGeod _oldoffsetpos;
private:
- double azimuth; // degrees true
- double elevation; // degrees
- double hs; // horizontal speed (fps)
- bool aero_stabilized; // if true, object will point where it's going
+ double _az_random_error; // maximum azimuth error in degrees
+ double _el_random_error; // maximum elevation error in degrees
+ bool _aero_stabilised; // if true, object will align with trajectory
+ double _drag_area; // equivalent drag area in ft2
+ double _cd; // current drag coefficient
+ double _init_cd; // initial drag coefficient
+ double _cd_randomness; // randomness of Cd. 1.0 means +- 100%, 0.0 means no randomness
+ double _buoyancy; // fps^2
+ double _life_timer; // seconds
+ bool _wind; // if true, local wind will be applied to object
+ double _mass; // slugs
+ bool _random; // modifier for Cd, life, az
+ double _life_randomness; // dimension for _random, only applies to life at present
+ double _load_resistance; // ground load resistanc N/m^2
+ double _frictionFactor; // dimensionless modifier for Coefficient of Friction
+ bool _solid; // if true ground is solid for FDMs
+ double _elevation_m; // ground elevation in meters
+ bool _force_stabilised;// if true, object will align to external force
+ bool _slave_to_ac; // if true, object will be slaved to the parent ac pos and orientation
+ bool _slave_load_to_ac;// if true, object will be slaved to the parent ac pos
+ double _contents_lb; // contents of the object
+ double _weight_lb; // weight of the object (no contents if appropriate) (lbs)
+ std::string _mat_name;
- void Run(double dt);
+ bool _report_collision; // if true a collision point with AI Objects is calculated
+ bool _report_impact; // if true an impact point on the terrain is calculated
+ bool _external_force; // if true then apply external force
+ bool _report_expiry;
+
+ SGPropertyNode_ptr _impact_report_node; // report node for impact and collision
+ SGPropertyNode_ptr _contents_node; // node for droptank etc. contents
+
+ double _fuse_range;
+
+ std::string _submodel;
+ std::string _force_path;
+ std::string _contents_path;
+
+ void handleEndOfLife(double);
+ void handle_collision();
+ void handle_expiry();
+ void handle_impact();
+ void report_impact(double elevation, const FGAIBase *target = 0);
+ void slaveToAC(double dt);
+ void setContents(double c);
+ void calcVSHS();
+ void calcNE();
+
+ SGVec3d getCartOffsetPos(SGGeod pos, double heading, double pitch, double roll) const;
+
+ double getRecip(double az);
+ double getMass() const;
+
+ double _ground_offset;
+ double _load_offset;
+
+ SGVec3d _oldcartoffsetPos;
+ SGVec3d _oldcartPos;
};
#endif // _FG_AIBALLISTIC_HXX
projects / flightgear.git / blobdiff